Search results for "ITC"

Grip Force Adjustments Reflect Prediction of Dynamic Consequences in Varying Gravitoinertial Fields

2018

International audience; Humans have a remarkable ability to adjust the way they manipulate tools through a genuine regulation of grip force according to the task. However, rapid changes in the dynamical context may challenge this skill, as shown in many experimental approaches. Most experiments adopt perturbation paradigms that affect only one sensory modality. We hypothesize that very fast adaptation can occur if coherent information from multiple sensory modalities is provided to the central nervous system. Here, we test whether participants can switch between different and never experienced dynamical environments induced by centrifugation of the body. Seven participants lifted an object …

uMemristorToolbox: Open source framework to control memristors in Unity for ternary applications

2020

This paper presents uMemristorToolbox, a novel open source framework that reads and writes non-volatile ternary states to memristors. The Unity (C#) framework is a port of the open source Java project Memristor-Discovery and adds a closed-loop ternary memory controller to enable both PC and real-time embedded ternary applications. We validate the closed-loop ternary memory controller in an embedded system case study with 16 M+SDC Tungsten dopant memristors. We measure an average switching speed of 3 Hz, worst case energy usage of 1 μW per switch, 0.03% random write error and no decay in (non-volatile) state retention after 15 minutes. We conclude with observations and open questions when wo…

Estimation of power supply harmonic impedance using a controlled voltage disturbance

2002

A novel method for power system impedance estimation is presented. The method employs a power converter to inject a voltage transient onto the supply system. The impedance is estimated through correlation of the measured voltage and current transients. Simulations and experimental results demonstrate the effectiveness of this measurement technique.

Les sols viticoles de Bourgogne : élaboration naturelle et construction humaine

2011

Du monnayage au crypto-monnayage

2020

Minting Techniques in Currencies and Cryptocurrencies. Over the past ten years, the creation of bitcoin and other cryptocurrencies has renewed the debate on the nature of money. This paper discusses the comparison between cryptocurrencies and coins : after describing their ideological and technical foundations, we explain the reasons why the reference to metals is often invoked. We then detail the techniques of minting, the processes of marking, and the question of seigniorage.

A metabolism of Adam and Eve: Damien Hirst meets Edvard Munch

2016

Sari Kuuva, University of Jyvaskyla Sari Kuuva, PhD (in cognitive science, 2007 and art history, 2010) is a post-doctoral researcher who works at the Department of Art and Cultural Studies at the University of Jyvaskyla. She has studied the relationship between art, aesthetics and psychology, particularly the concept of the symbol and the problematics of experiencing and creating visual art. Among Kuuva’s main publications relating to the art of Edvard Munch are: Symbol, Munch and Creativity: Metabolism of Visual Symbols (University of Jyvaskyla 2010); ‘Emotional creativity in art: case scream’ in Mind and Matter: Selected Papers of Nordic 2009 Conference for Art Historians (Helsinki, Socie…

Il catalano nella Corte Aragonese di Napoli, riflesso in documenti bilingui della cancelleria di Ferrante. Uno studio storico-sociale

2013

Riassunto: Nel presente lavoro viene analizzato il fenomeno del code switching in una prospettiva storico-sociale. In particolare, focalizzeremo la nostra attenzione su cinque lettere bilingui del Codice Aragonese (1458-1460), un registro cancelleresco della corte aragonese a Napoli, in cui si passa dal catalano o dal castigliano al napoletano e viceversa. Analizzando il contesto storico e sociale nel quale le lettere sono state scritte, proveremo a trarre delle conclusioni sulle motivazioni per cui si è realizzato il rispettivo cambio di codice linguistico. Nello stesso modo cercheremo di spiegare la tendenza di esprimersi in catalano in situazioni emozionali o di tensione politica, ma anc…

Feeling Exclusion

2019

Physics and metaphysics in the Hitchhiker Series (1979-1992) by Douglas Adams

2006

Modified post-bifurcation dynamics and routes to chaos from double-Hopf bifurcations in a hyperchaotic system

2012

In order to understand the onset of hyperchaotic behavior recently observed in many systems, we study bifurcations in the modified Chen system leading from simple dynamics into chaotic regimes. In particular, we demonstrate that the existence of only one fixed point of the system in all regions of parameter space implies that this simple point attractor may only be destabilized via a Hopf or double Hopf bifurcation as system parameters are varied. Saddle-node, transcritical and pitchfork bifurcations are precluded. The normal form immediately following double Hopf bifurcations is constructed analytically by the method of multiple scales. Analysis of this generalized double Hopf normal form …